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3340813 = 7477259
BaseRepresentation
bin1100101111101000001101
320021201201211
430233220031
51323401223
6155334421
740252660
oct14575015
96251654
103340813
111982003
121151411
138cc818
1462d6d7
1545ed0d
hex32fa0d

3340813 has 4 divisors (see below), whose sum is σ = 3818080. Its totient is φ = 2863548.

The previous prime is 3340811. The next prime is 3340817. The reversal of 3340813 is 3180433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3180433 = 11812693.

It is a cyclic number.

It is not a de Polignac number, because 3340813 - 21 = 3340811 is a prime.

It is a super-2 number, since 2×33408132 = 22322063001938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238623 + ... + 238636.

It is an arithmetic number, because the mean of its divisors is an integer number (954520).

Almost surely, 23340813 is an apocalyptic number.

It is an amenable number.

3340813 is a deficient number, since it is larger than the sum of its proper divisors (477267).

3340813 is an equidigital number, since it uses as much as digits as its factorization.

3340813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477266.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3340813 is about 1827.7891016198. The cubic root of 3340813 is about 149.4918061303.

It can be divided in two parts, 334081 and 3, that added together give a square (334084 = 5782).

The spelling of 3340813 in words is "three million, three hundred forty thousand, eight hundred thirteen".

Divisors: 1 7 477259 3340813